CN205786250U - A kind of experimental provision for welding point power corrosion coupling measurement - Google Patents
A kind of experimental provision for welding point power corrosion coupling measurement Download PDFInfo
- Publication number
- CN205786250U CN205786250U CN201620614508.5U CN201620614508U CN205786250U CN 205786250 U CN205786250 U CN 205786250U CN 201620614508 U CN201620614508 U CN 201620614508U CN 205786250 U CN205786250 U CN 205786250U
- Authority
- CN
- China
- Prior art keywords
- arranges
- air inlet
- inlet pipe
- autoclave body
- tensile sample
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
nullThis utility model discloses a kind of experimental provision for welding point power corrosion coupling measurement: arrange heater in the outside of autoclave body，In the outside of heater, thermal insulating warm-keeping layer is set，Upper surface at autoclave body arranges high pressure kettle cover，Diametrically it is disposed with on high pressure kettle cover circular surface: the first air inlet pipe，Second air inlet pipe，Escape pipe，Charging auxiliary device，Pressure transducer and Pressure gauge，Autoclave body interior bottom portion arranges test device，In the middle of left chuck with right chuck, tensile sample is set，It is provided above extensometer at tensile sample，Foil gauge is set below tensile sample，This utility model can successfully commissure apply required for strain and respectively obtain the strain at weld seam and mother metal，For studying the impact deformed the corrosion of Welded Joints different parts，And then the Service Environment of assessment welding point.
Description
Technical field
This utility model belongs to environmental corrosion technology neighborhood, more particularly, relates to a kind of rotten for welding point power
The experimental provision of erosion coupling measurement.
Background technology
Under specific media environment and tension dual function, after certain time, there is crackle and break in metal material
The phenomenon split is referred to as stress corrosion fracture.Occur and a large amount of material owing to its uncertain low stress brittle fracture frequently results in accident
Material loss, therefore its harm is the biggest.Chinese scholars is paid close attention to always and is devoted to grinding of metal stresses corrosion aspect relevant issues
Study carefully.Principle is commonly used at present stress corrosion (cracking) test to be had: permanent distortional stress corrosion experiment method, constant load stress etching experiment method and prefabricated
Precracked specimen stress etching experiment method.Wherein constant strain method formula makes sample deformation produce tension by stretching or bending, profit
Maintain this deformation with having sufficiently rigid framework or directly use stress application frame, it is ensured that sample deformation is constant.Right
For the uniform sample of material, traditional stress application frame can realize the purpose that sample deformation is consistent.And for welding point,
Due in welding process weld metal fusing and cooling time solidification so that weld metal, between heat affected area and mother metal
Chemical composition and tissue have notable difference.Therefore, traditional stress application frame and test device is used can not to obtain weld metal
Default deformation with mother metal.This utility model, on the basis of conventional force framework, uses foil gauge and extensometer to measure simultaneously
Sample is weld seam and the deformation of welding point when stress, has obtained sample weld seam and strain of mother metal under same stress condition.
Meanwhile, in conjunction with high-temperature high-pressure reaction kettle device, welding point high temperature pressure corrosion experiment under different stress can be carried out.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of for welding point power corrosion coupling
Close the experimental provision of test.
The purpose of this utility model is achieved by following technical proposals:
A kind of experimental provision for welding point power corrosion coupling measurement: autoclave body is cylindrical container, at height
The outside of pressure kettle arranges heater, arranges thermal insulating warm-keeping layer in the outside of heater, and the upper surface at autoclave body sets
Setting high pressure kettle cover, fastening bolt, through fixed installation hole, is connected with autoclave body connecting portion, so that kettle cover and kettle are tightened to one
Individual entirety, and realize sealing, high pressure kettle cover circular surface is diametrically disposed with: the first air inlet pipe hole, second enter
Tracheal orifice, charging aperture, pressure transducer hole and pore of giving vent to anger, wherein arrange the first air inlet pipe in the first air inlet pipe hole, and first
It is provided with the first air inlet pipe valve in air inlet pipe, the second air inlet pipe is set in the second air inlet pipe hole, the second air inlet pipe is arranged
There is the second air inlet pipe valve, escape pipe is set in pore of giving vent to anger, escape pipe arranges escape pipe valve, charging aperture sets
Put charging auxiliary device, pressure transducer hole is provided with pressure transducer and Pressure gauge；In autoclave body interior bottom portion
Arranging test device holding plane, arrange test device on test device holding plane, the bracing frame of test device is by mutually
Parallel two transverse slats (upper plate and lower plate) are connected with each other composition, in the centre position of left plate with two with riser (left plate and right panel)
Arranging square opening, arrange left chuck in the position of square opening, left chuck runs through square opening, one end at left plate lateral ends in left plate
Inner side, the part outside left plate is screwed cylinder, and the part inside left plate is square column, arranges right-hand member in square column and opens
The groove of mouth, arranges left clamp nut in the upper end of groove, arranges left trip bolt in the lower end of groove, in the interposition of right panel
Put square opening, right chuck is set in the position of square opening, the groove of left end opening is set at right chuck, arrange in the upper end of groove
Right clamp nut, arranges right trip bolt in the lower end of groove, arranges tensile sample, stretching examination in the middle of left chuck with right chuck
The two ends of sample are stretched into inside grooves on two sides, trip bolt and clamp nut are fixedly clamped, in tensile sample upper face center position
Installing oval-shaped groove, be provided above extensometer at tensile sample, arrange foil gauge below tensile sample, foil gauge connects
Wire, wire is connected with signal acquiring system through autoclave body outer wall, the just position to right chuck in the outside of bracing frame right panel
Installing spring, spring is connected with wire, and wire is connected with signal acquiring system, on the right side of spring through autoclave body outer wall
One end arranges loading nut, arranges jam nut on the right side loading nut.
In technique scheme, the autoclave body the latter half length that is positioned at of described rotary shaft accounts for kettle height
1/3-1/2, described mixing component is stirring paddle or stirring disk；
In technique scheme, described air inlet pipe gos deep into the bottom of autoclave body, and escape pipe is positioned in autoclave body
More than liquid surface；
In technique scheme, described tensile sample thickness is 1-5mm, and width is 2-6mm.
In technique scheme, the major axis of the oval-shaped groove of described tensile sample is 3-6mm, and the degree of depth is 0.2-
0.8mm。
In technique scheme, described spring is 316L stainless steel spring.
A kind of experimental technique for welding point power corrosion coupling measurement:
Step 1: tensile sample is fixed between left chuck and right chuck, fixes foil gauge below tensile sample, it is ensured that should
The efficiently sampling region becoming sheet is directed at axis of a weld, and tensile sample is provided above extensometer, and extensometer accommodates on gauge length,
The strain of the commissure shown by signal pickup assembly carrys out controlled loading process；Finally screw jam nut and by survey strain dress
Put dismounting, in the original size of Stereo microscope record sample.
Step 2: pour corrosive liquid in a kettle. into, pressurization of heating and ventilate, pressure and temperature is maintained certain time.
Step 3: stop heating and ventilation, after recovery room greenhouse pressure in still, opens reactor kettle cover, takes out test dress
Put, measure the thickness change of tensile sample.
In technique scheme, wherein said corrosive liquid leading ion composition includes: Na+,K+,Ca2+,Mg2+,Fe2+,
Cl-,SO4 2-, and HCO3 -。
The beneficial effects of the utility model: use technical scheme provided by the utility model, can be successfully in commissure
Strain required for applying also respectively obtains the strain at weld seam and mother metal.Meanwhile, by package unit at the high temperature of simulated condition
Testing under environment under high pressure, through after a period of time, measure the extent of corrosion of sample, research deformation is to Welded Joints different parts
The impact of corrosion, and then the Service Environment of assessment welding point.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is reactor superstructure schematic diagram in Fig. 1.
Fig. 3 is test apparatus structure schematic diagram 1 in Fig. 1.
Fig. 4 is test apparatus structure schematic diagram 2.
Wherein 1 is bracing frame, and 2 is left chuck, and 3-1 is left clamp nut, and 3-2 is right clamp nut, and 4-1 is left fastening spiral shell
Nail, 4-2 is right trip bolt, and 5 is tensile sample, and 6 is right chuck, and 7 is spring, and 8 for loading nut, and 9 is jam nut, and 10 are
Oval-shaped groove, 11 is extensometer, and 12 is foil gauge, and 13 is signal acquiring system, and 14 is autoclave body, and 15 is heater,
16 is insulation heat insulation layer, and 17 is escape pipe valve, and 18 is the second air inlet pipe valve, and 19 is autoclave body connecting portion, and 20 for giving vent to anger
Pipe, 21 is pressure transducer, and 22 is Pressure gauge, and 23 is charge door, and 24 is the first air inlet pipe valve, and 25 is the first air inlet pipe, 26
Being the second air inlet pipe, 27 is fastening bolt, and 28 is high pressure kettle cover, and 29 is autoclave outer wall, and 30 is spring wires, and 31 is foil gauge
Wire, 32 is test device, and 33 for giving vent to anger pore, and 34 is pressure transducer hole, and 35 is charging aperture, and 36 is rotational axis hole, and 37 are
Fixed installation hole, 38 is the first air inlet pipe hole, and 39 is the second air inlet pipe hole.
Detailed description of the invention
With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings:
A kind of experimental provision for welding point power corrosion coupling measurement: autoclave body is cylindrical container, at height
The outside of pressure kettle arranges heater, arranges thermal insulating warm-keeping layer in the outside of heater, and the upper surface at autoclave body sets
Setting high pressure kettle cover, fastening bolt, through fixed installation hole, is connected with autoclave body connecting portion, so that kettle cover and kettle are tightened to one
Individual entirety, and realize sealing, high pressure kettle cover circular surface is diametrically disposed with: the first air inlet pipe hole, second enter
Tracheal orifice, charging aperture, pressure transducer hole and pore of giving vent to anger, wherein arrange the first air inlet pipe in the first air inlet pipe hole, and first
It is provided with the first air inlet pipe valve in air inlet pipe, the second air inlet pipe is set in the second air inlet pipe hole, the second air inlet pipe is arranged
There is the second air inlet pipe valve, escape pipe is set in pore of giving vent to anger, escape pipe arranges escape pipe valve, charging aperture sets
Put charging auxiliary device, pressure transducer hole is provided with pressure transducer and Pressure gauge；In autoclave body interior bottom portion
Arranging test device holding plane, arrange test device on test device holding plane, the bracing frame of test device is by mutually
Parallel two transverse slats (upper plate and lower plate) are connected with each other composition, in the centre position of left plate with two with riser (left plate and right panel)
Arranging square opening, arrange left chuck in the position of square opening, left chuck runs through square opening, one end at left plate lateral ends in left plate
Inner side, the part outside left plate is screwed cylinder, and the part inside left plate is square column, arranges right-hand member in square column and opens
The groove of mouth, arranges left clamp nut in the upper end of groove, arranges left trip bolt in the lower end of groove, in the interposition of right panel
Put square opening, right chuck is set in the position of square opening, the groove of left end opening is set at right chuck, arrange in the upper end of groove
Right clamp nut, arranges right trip bolt in the lower end of groove, arranges tensile sample, stretching examination in the middle of left chuck with right chuck
The two ends of sample are stretched into inside grooves on two sides, trip bolt and clamp nut are fixedly clamped, in tensile sample upper face center position
Installing oval-shaped groove, be provided above extensometer at tensile sample, arrange foil gauge below tensile sample, foil gauge connects
Wire, wire is connected with signal acquiring system through autoclave body outer wall, the just position to right chuck in the outside of bracing frame right panel
Installing spring, spring is connected with wire, and wire is connected with signal acquiring system, on the right side of spring through autoclave body outer wall
One end arranges loading nut, arranges jam nut on the right side loading nut.
In technique scheme, the autoclave body the latter half length that is positioned at of described rotary shaft accounts for kettle height
1/3-1/2, described mixing component is stirring paddle or stirring disk；
In technique scheme, described air inlet pipe gos deep into the bottom of autoclave body, and escape pipe is positioned in autoclave body
More than liquid surface；
In technique scheme, described tensile sample thickness is 1-5mm, and width is 2-6mm.
In technique scheme, the major axis of the oval-shaped groove of described tensile sample is 3-6mm, and the degree of depth is 0.2-
0.8mm。
In technique scheme, described spring is 316L stainless steel spring.
A kind of experimental technique for welding point power corrosion coupling measurement of 1 explanation by the following examples:
Step 1: tensile sample is fixed between left chuck and right chuck, fixes foil gauge below tensile sample, it is ensured that should
The efficiently sampling region becoming sheet is directed at axis of a weld, and wherein prestrain is 1.5%, and tensile sample is provided above extensometer,
Extensometer accommodates on gauge length, and the strain of the commissure shown by signal pickup assembly carrys out controlled loading process；Finally screw
Jam nut also will survey strain device dismounting, in the original size of Stereo microscope record sample.
Step 2: pour corrosive liquid in a kettle. into, pressurization of heating and ventilate, pressure and temperature is maintained certain time, its
Middle pressure is 0.3MPa, and corrosive liquid temperature is 90 DEG C, and the response time is 5 days (120 hours).
Step 3: stop heating and ventilation, after recovery room greenhouse pressure in still, opens reactor kettle cover, takes out test dress
Put, measure the thickness change of tensile sample.
Being 1.5mm before tensile sample experiment, the thickness after experiment is 1.0mm, test result indicate that, this utility model can
Complete the object of experiment estimated, it is possible to effectively the welding point under different stress is carried out high temperature pressure corrosion experiment.
A kind of Welded Joints of this utility model institute utility model carries out experimental provision and the side of power corrosion coupling measurement
Method can be effective to the etching problem studying weld joint samples under power corrosion coupling environment, and utilization the utility model proposes
Method and the fixture of design, can be generalized to butt welded seam or mother metal in conjunction with sample cross analysis and make under various etching conditions
Concrete analysis.
Above this utility model is described in detail, but described content has been only preferred embodiment of the present utility model,
It is not to be regarded as limiting practical range of the present utility model.All impartial changes made according to this utility model application range with
Improve, within all should still belonging to patent covering scope of the present utility model.
Claims (5)
1. the experimental provision for welding point power corrosion coupling measurement: it is characterized in that: autoclave body is that cylinder holds
Device, arranges heater in the outside of autoclave body, arranges thermal insulating warm-keeping layer in the outside of heater, upper at autoclave body
Surface configuration high pressure kettle cover, fastening bolt, through fixed installation hole, is connected with autoclave body connecting portion, so that kettle cover is tight with kettle
Admittedly become an entirety, and realize sealing, high pressure kettle cover circular surface is diametrically disposed with: the first air inlet pipe hole,
Second air inlet pipe hole, charging aperture, pressure transducer hole and pore of giving vent to anger, wherein arrange the first air inlet in the first air inlet pipe hole
Pipe, the first air inlet pipe is provided with the first air inlet pipe valve, arranges the second air inlet pipe, the second air inlet pipe in the second air inlet pipe hole
On be provided with the second air inlet pipe valve, escape pipe is set in pore of giving vent to anger, escape pipe arranges escape pipe valve, charging
Charging auxiliary device is set on hole, pressure transducer hole is provided with pressure transducer and Pressure gauge；Inside autoclave body
Test device holding plane is set on Di Bu, test device holding plane arranges test device, the bracing frame of test device
It is made up of with riser is connected with each other two transverse slats and two parallel to each other, square opening is set in the centre position of left plate, square
The position in hole arranges left chuck, and left chuck runs through square opening, and one end is portion inside left plate, outside left plate at left plate lateral ends
Being divided into screwed cylinder, the part inside left plate is square column, arranges the groove of right-end openings in square column, at groove
Upper end arranges left clamp nut, arranges left trip bolt in the lower end of groove, at the centre position square opening of right panel, at square opening
Position right chuck is set, the groove of left end opening is set at right chuck, right clamp nut is set in the upper end of groove, at groove
Lower end right trip bolt is set, in the middle of left chuck and right chuck, tensile sample is set, both sides are stretched at the two ends of tensile sample
Inside grooves, is fixedly clamped by trip bolt and clamp nut, arranges oval-shaped groove in tensile sample upper face center position,
Being provided above extensometer at tensile sample, arrange foil gauge below tensile sample, foil gauge connects wire, and wire is through height
Pressure kettle outer wall is connected with signal acquiring system, and in the outside of bracing frame right panel, just position to right chuck arranges spring, spring
Being connected with wire, wire is connected through autoclave body outer wall with signal acquiring system, and the one end on the right side of spring arranges loading spiral shell
Mother, arranges jam nut on the right side loading nut.
A kind of experimental provision for welding point power corrosion coupling measurement the most according to claim 1, it is characterised in that:
Described air inlet pipe gos deep into the bottom of autoclave body, and escape pipe is positioned in autoclave body more than liquid surface.
A kind of experimental provision for welding point power corrosion coupling measurement the most according to claim 1, it is characterised in that:
Described tensile sample thickness is 1-5mm, and width is 2-6mm.
A kind of experimental provision for welding point power corrosion coupling measurement the most according to claim 1, it is characterised in that:
The major axis of the oval-shaped groove of described tensile sample is 3-6mm, and the degree of depth is 0.2-0.8mm.
A kind of experimental provision for welding point power corrosion coupling measurement the most according to claim 1, it is characterised in that:
Described spring is 316L stainless steel spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620614508.5U CN205786250U (en) | 2016-06-16 | 2016-06-16 | A kind of experimental provision for welding point power corrosion coupling measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620614508.5U CN205786250U (en) | 2016-06-16 | 2016-06-16 | A kind of experimental provision for welding point power corrosion coupling measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205786250U true CN205786250U (en) | 2016-12-07 |
Family
ID=58129738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620614508.5U Expired - Fee Related CN205786250U (en) | 2016-06-16 | 2016-06-16 | A kind of experimental provision for welding point power corrosion coupling measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205786250U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891099A (en) * | 2016-06-16 | 2016-08-24 | 天津大学 | Experimental method and device for welding joint force-corrosion coupling test |
| CN106644726A (en) * | 2017-01-11 | 2017-05-10 | 广东工业大学 | Annular specimen tensile testing device and realizing method thereof |
| CN108254272A (en) * | 2018-03-15 | 2018-07-06 | 西南交通大学 | A kind of weld decay fatigue property test device |
| CN108548773A (en) * | 2018-03-30 | 2018-09-18 | 河海大学 | Detect the auxiliary device and its application method of reinforcing bar stainless property under by curved state |
-
2016
- 2016-06-16 CN CN201620614508.5U patent/CN205786250U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891099A (en) * | 2016-06-16 | 2016-08-24 | 天津大学 | Experimental method and device for welding joint force-corrosion coupling test |
| CN105891099B (en) * | 2016-06-16 | 2018-08-31 | 天津大学 | Experimental method and device for welding joint force-corrosion coupling test |
| CN106644726A (en) * | 2017-01-11 | 2017-05-10 | 广东工业大学 | Annular specimen tensile testing device and realizing method thereof |
| CN106644726B (en) * | 2017-01-11 | 2023-04-11 | 广东工业大学 | Annular sample tensile test device and implementation method thereof |
| CN108254272A (en) * | 2018-03-15 | 2018-07-06 | 西南交通大学 | A kind of weld decay fatigue property test device |
| CN108548773A (en) * | 2018-03-30 | 2018-09-18 | 河海大学 | Detect the auxiliary device and its application method of reinforcing bar stainless property under by curved state |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105891099B (en) | Experimental method and device for welding joint force-corrosion coupling test | |
| CN205786250U (en) | A kind of experimental provision for welding point power corrosion coupling measurement | |
| CN104614310B (en) | A kind of high temperature pressure corrosion electro-chemical measuring apparatus and measuring method | |
| CN103487339A (en) | Device for testing fatigue crack growth rate of metal material in aqueous corrosive medium | |
| CN103389247A (en) | Testing system for simulating hydraulic fracture of concrete members under high water pressure | |
| CN103383325A (en) | Testing device for simulating concrete test piece hydraulic fracture under multi-field coupling condition | |
| CN108426782A (en) | The lower damage of rock evolution ultrasonic monitor device of multi- scenarios method effect | |
| CN106525710A (en) | Electrochemical testing device for acoustic-emission-testing-material corrosion performance and application method thereof | |
| CN207832584U (en) | The lower damage of rock evolution ultrasonic monitor device of multi- scenarios method effect | |
| CN106248799A (en) | A kind of method using vibratory drilling method detection column support type porcelain bottle insulators damage | |
| CN109490061A (en) | The device and test method of environment fatigue experiment are carried out under a kind of waveform control condition | |
| CN203929593U (en) | A kind of high-temperature high-pressure apparatus material corrosion comprehensive study experiment table reactor | |
| CN206235522U (en) | A kind of Triaxial tester of soil body Frozen-thawed cycled dynamic load coupling | |
| CN110411864A (en) | High-temperature creep life prediction analysis calculation method based on creep activation energy | |
| CN205538507U (en) | Nuclear is with zircaloy tubular product rapid heating up bursting property measuring device | |
| CN103698073B (en) | A kind of marmem pipe joint fastening pressure test device and method of testing thereof | |
| CN110940605A (en) | Heat transfer pipe abrasion, stress and corrosion coupling effect test device and heat transfer pipe service behavior evaluation method | |
| CN105157975B (en) | The method that ring axial compression displacement deflection is obturaged in control and measurement | |
| CN206583864U (en) | A kind of fixation cooling device of acoustic emission sensor | |
| CN206330874U (en) | A kind of electrochemical testing device of acoustic emission detection material corrosion performance | |
| CN206311482U (en) | For the sample clamp of electrochemical corrosion test | |
| CN104931561B (en) | It is a kind of to realize the electrochemical test experiment device of acoustic emission monitor(ing) under HTHP water environment | |
| CN107449676A (en) | Crackle aperture displacement measurement apparatus | |
| CN204439517U (en) | A kind of high temperature pressure corrosion electro-chemical measuring apparatus | |
| WO2023213040A1 (en) | Curved pressure-resistant shell equivalent simulation testing apparatus and testing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20190616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |